Unsuccessful Burch retropubic urethropexy: a case-controlled urodynamic study.

Am J Obstet Gynecol

Department of Obstetrics and Gynecology, University of California, Irvine.

Published: February 1989

AI Article Synopsis

  • A study compared the urethral function of 21 women who experienced failure after a modified Burch surgery to 21 matched women who had successful outcomes.
  • The women in the failure group had significantly lower preoperative urethral closure pressure and functional length compared to those in the success group, indicating a weaker urethral capability.
  • The findings suggest that a low urethral pressure (below 20 cm H2O) prior to surgery is a strong indicator of the likelihood of surgical failure.

Article Abstract

A retrospective comparison was made of the urodynamic parameters of urethral sphincteric function of 21 women with failure of modified Burch retropubic urethropexy and 21 matched control subjects in whom operation was successful. The match criteria included multiple risk factors that contributed to the failure of antiincontinence surgery. The preoperative resting urethral closure pressure and urethral functional length were significantly lower in the study (failure) group than in the control (success) group. These parameters of intrinsic urethral function improved only in the control (success) group after operation. Further study showed that 17 of the 21 patients (81%) in the control (success) group had preoperative closure pressure greater than 20 cm H2O, whereas only five of the 21 patients (24%) in the study (failure) group had initial closure pressure higher than this value. Identification of a low-pressure urethra by preoperative urethral profilometry suggests a greatly increased risk for operative failure.

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Source
http://dx.doi.org/10.1016/0002-9378(89)90471-7DOI Listing

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